FALLBACK fallback Contract 1 1 INNCALL NULL
FUN1 uint256 FUN2,FALLBACK 1 3 FALLCALL NULL
FUN2 uint256 FUN1 1 4 CALL NULL
FUN3 uint256 FUN2 1 4 CALL NULL
VAR0 FUN2 3 INNFUN ASSIGN
VAR1 FUN3 3 INNFUN ASSIGN
